// Modules to control application life and create native browser window
const {app, BrowserWindow,ipcMain } = require('electron')
const path = require('path')

let mainWindow = null

const additionData = {key:'hello'}

const gotTheLock = app.requestSingleInstanceLock(additionData)

if(!gotTheLock){
  app.quit()
}
else{
  if(mainWindow) {
    if(mainWindow.isMinimizable()){
      mainWindow.restore()
    }
    mainWindow.focus()
  }
}

function createWindow () {
  // Create the browser window.
  mainWindow = new BrowserWindow({
    width: 1280,
    height: 900,
    minHeight: 768,
    minWidth: 1024,
    autoHideMenuBar: true,
    frame: false,
    webPreferences: {
      preload: path.join(__dirname, 'preload.js'),
      contextIsolation: true,
      sandbox: true,
      webSecurity: false,
      nodeIntegration: true
    },
    useContentSize: true
  })

  // and load the index.html of the app.
  mainWindow.loadFile('music/index.html')

  // Open the DevTools.
  // mainWindow.webContents.openDevTools()
  ipcMain.on("window-minimized",() => {
    mainWindow.minimize()
  })

  ipcMain.on("window-maximized",() => {
    if(mainWindow.isMaximized())
    {
      mainWindow.unmaximize()
    }else {
      mainWindow.maximize()
    }

  })

  ipcMain.on("window-fullscreen",() => {

    switch(process.platform)
    {
      case "win32":
      case "linux":
        if(mainWindow.isFullScreen())
        {
          mainWindow.setFullScreen(false)
        }else {
          mainWindow.setFullScreen(true)
        }
        break;
      case "darwin":
        if(mainWindow.isSimpleFullScreen())
        {
          mainWindow.setSimpleFullScreen(false)
        }
        else{
          mainWindow.setSimpleFullScreen(true)
        }
        break;
    }


  })
}

// This method will be called when Electron has finished
// initialization and is ready to create browser windows.
// Some APIs can only be used after this event occurs.
app.whenReady().then(() => {

  createWindow()

  app.on('activate', function () {
    // On macOS it's common to re-create a window in the app when the
    // dock icon is clicked and there are no other windows open.
    if (BrowserWindow.getAllWindows().length === 0) createWindow()
  })
})

// Quit when all windows are closed, except on macOS. There, it's common
// for applications and their menu bar to stay active until the user quits
// explicitly with Cmd + Q.
app.on('window-all-closed', function () {
  app.quit()
})

// In this file you can include the rest of your app's specific main process
// code. You can also put them in separate files and require them here.
